Oops, it doesn't look like 'ammy day' is a national day..

Other days

stud

Stud Day
bow tie

Bow Tie Day
unicorn

Unicorn Day
hoodie

Hoodie Day
lisp

Lisp Day
law

Law Day
kiss a brunette

Kiss A Brunette Day
raise awerness of zeus

Raise Awerness Of Zeus Day
lash

Lash Day
gum

Gum Day